CN220431244U - Multifunctional lifting mechanism for basket and sample storage device - Google Patents

Abstract

The utility model relates to a multifunctional basket lifting mechanism, which comprises a lifting well assembly, a shovel plate assembly and a lifting well lifting device, wherein the shovel plate assembly comprises a mounting shell, and a shovel plate displacement driving assembly are arranged in the mounting shell; the lifting device of the lifting well comprises a fixed frame fixedly connected with the mounting shell and a lifting driving module; the lifting well assembly comprises a lifting well, a lifting basket connecting piece and a lifting driving device of the lifting basket connecting piece. According to the multifunctional lifting mechanism for the basket, the lifting driving module is arranged on the mounting shell of the shovel plate assembly through the fixing frame, so that the lifting driving module not only can lift the basket, but also can extract the plate frame on the lifting driving module, and the lifting driving module has the functions of lifting the basket and extracting the plate frame. The multifunctional basket lifting mechanism has the functions of basket lifting and plate frame extraction, and is flexible to operate and convenient to install and maintain. In addition, the utility model also provides a sample storage device comprising the multifunctional basket lifting mechanism.

Description

A multifunctional basket lifting mechanism and sample storage device

Technical field

The utility model relates to a lifting mechanism for a basket, in particular to a multifunctional basket lifting mechanism. In addition, the utility model also relates to a sample storage device

Background technique

The sample storage device is a cryogenic storage device that is widely used in the field of storage of biological samples.

The existing sample storage device refers to the Chinese patent with the publication number "CN219097714U" and the name "A double basket type sample storage and withdrawal system". The tank is equipped with a basket for storing biological sample storage racks through a support frame. A lifting well assembly for operating the basket is provided above the sample inlet and outlet of the body. The lifting well assembly is used to lift the basket in the tube body from the inlet and outlet so that the shovel plate mechanism (push plate) can take out the plate rack in the basket.

In order to realize the operation of samples from different areas, this sample storage device is equipped with two sets of fixed lifting well components. This fixed lifting well component cannot be moved, is not flexible enough to operate, and is not conducive to its reuse. When multiple operations are required, Separate lifting shafts need to be installed in each area, thus increasing the overall cost of the equipment. Moreover, in this sample storage device, the lifting shaft component only has the function of lifting the basket. In order to operate the plate rack, a separate shovel mechanism needs to be set up. This separate design of the lifting shaft component and shovel mechanism is not conducive to the operator's operation. It is installed and maintained.

Utility model content

In order to solve the above technical problems, the purpose of this utility model is to provide a multi-functional basket lifting mechanism that has both the functions of basket lifting and plate rack extraction and is flexible in operation and easy to install and maintain. In addition, the utility model also provides a sample storage device including the multifunctional basket lifting mechanism.

The multifunctional basket lifting mechanism of the utility model includes a lifting shaft assembly, a shovel plate assembly and a lifting shaft lifting device. The shovel plate assembly includes an installation shell with openings at the front and rear ends respectively. The installation shell is equipped with a shovel plate and a driving shovel plate to move forward and backward. The shovel plate displacement drive assembly;

The lifting shaft lifting device includes a fixed frame fixedly connected to the installation shell, and a lifting drive module with the body fixed on the fixed frame;

The lifting shaft assembly includes a lifting shaft with an open bottom end, a basket connecting piece located in the lifting shaft, and a lifting and lowering driving device of the basket connecting piece that drives the basket connecting piece to rise and fall vertically in the lifting shaft;

The output end of the lifting drive module is connected to the lifting shaft, and the bottom of the lifting shaft is provided with a plate frame inlet and outlet corresponding to the shovel plate.

In the multifunctional basket lifting mechanism of the present invention, the installation shell of the shovel plate assembly is equipped with a lifting drive module capable of driving the lifting shaft to rise and fall through a fixed frame. This enables the multifunctional basket lifting mechanism to not only lift the basket, but also At the same time, the lifted basket can extract the plate rack on it through the shovel mechanism, so that it has the functions of lifting the basket and extracting the rack.

Compared with the original lifting shaft assembly, it integrates the shovel plate assembly and the lifting shaft assembly into one, thus facilitating the installation and maintenance of the operator.

At the same time, this multi-functional basket lifting mechanism can also be connected to other displacement modules through the fixed frame, so that the lifting drive module and other displacement modules form a three-dimensional displacement mechanism, so that a single lifting shaft component can operate the basket in multiple areas respectively. , thereby reducing the number of lifting well components, reducing the overall cost of the equipment, and improving the flexibility of the lifting well components.

Furthermore, in the multi-functional basket lifting mechanism of the present invention, the lifting and lowering driving device of the basket connector includes sprockets provided at the upper and lower ends of the lifting shaft, a chain wound around the sprocket, and a sprocket drive motor that drives the sprocket to rotate. The basket connecting piece is connected to the chain through the connecting frame.

Furthermore, in the multifunctional basket lifting mechanism of the present invention, the lifting and lowering driving device of the basket connector also includes a tensioning device. The tensioning device includes an adjusting plate, a first tightening mechanism in which the wheel body is engaged with the chain and the central axis is fixedly connected to the adjusting plate. The sprocket, the second tensioning wheel whose wheel body is meshed with the chain and the central axis is fixedly connected to the lifting shaft, and the adjusting shaft whose one end is fixedly connected to the adjusting plate and the other end is threadedly connected to the fixed plate, and the fixed plate is fixed in the lifting shaft. surface.

The setting of the tensioning device facilitates the operator to adjust the tightness of the sprocket.

This design realizes the lifting and lowering drive of the basket connecting piece, and facilitates the extraction operation of the inner plate frame of the basket by the shovel plate mechanism.

Furthermore, in the multifunctional basket lifting mechanism of the present invention, the bottom end of the fixed frame is fixed on the top plate of the installation shell through its bottom plate and two L-shaped brackets, and the body of the lifting and moving module is fixed on the front panel of the fixed frame.

This design realizes the connection between the fixed frame and the mounting shell. The fixed frame connected through the L-shaped bracket facilitates the connection of other displacement modules with the fixed frame through the gap between the bottom end of the fixed frame and the mounting shell bracket, thereby forming a multi-dimensional displacement drive.

Furthermore, in the multifunctional basket lifting mechanism of the present invention, the output end of the lifting and moving module is connected to a lever, and the bottom plate of the fixed frame is vertically provided with guide holes.

The setting of the lever realizes the connection between the output end of the lifting and moving module and the lifting shaft, and the setting of the guide hole enables the lever to be raised and lowered vertically.

Furthermore, in the multifunctional basket lifting mechanism of the present invention, the shovel plate driving assembly includes a first-level slide plate that can slide along the first-level guide rail in the installation shell. The body is fixedly connected to the installation shell and can drive the first-level slide plate along the first-level slide plate in the installation shell. A primary linear displacement drive mechanism that moves the primary guide rail forward and backward, a secondary sliding plate that can slide along the secondary guide rail on the surface of the primary sliding plate, and a secondary linear displacement drive that is fixedly connected to the primary sliding plate and can drive the secondary sliding plate to move forward and backward. mechanism.

The cascading design of the shovel plate drive assembly realizes the secondary drive of the shovel plate, thereby driving the plate frame to extend from both ends of the installation shell.

Furthermore, in the multifunctional basket lifting mechanism of the present invention, the first-level linear displacement drive mechanism includes a first-level drive motor that is fixedly connected to the body and the top plate of the mounting shell. The output shaft of the first-level drive motor is connected to the first-level drive through a synchronous belt transmission device. The first-level gear is rotatably connected to the mounting plate on the mounting shell, and the first-level gear is also meshed with the first-level rack on the first-level sliding plate.

This design realizes the purpose of the primary slide plate moving along the primary guide rail on the installation shell.

Furthermore, in the multifunctional basket lifting mechanism of the present invention, the secondary linear displacement drive mechanism includes a secondary drive motor in which the body is fixedly connected to the primary slide plate through a motor mounting bracket, and the output shaft of the secondary drive motor is connected to the secondary gear. , the secondary gear meshes with the secondary rack on the secondary sliding plate, and the shovel plate is connected to the front end of the secondary sliding plate.

This design achieves the purpose of driving the secondary skateboard to move along the secondary guide rail on the surface of the primary skateboard.

Furthermore, in the multifunctional basket lifting mechanism of the present invention, the fixed frame is also provided with a suction tube assembly for sucking the sample tube.

The suction tube assembly is configured to operate a single sample tube, thereby further improving the versatility of the multifunctional basket lifting mechanism.

A sample storage device includes a refrigerated box. An operating cabin is provided above the refrigerated box. The operating cabin is provided with a multifunctional basket lifting mechanism and a two-dimensional moving mechanism that drives the multifunctional basket lifting mechanism to move horizontally;

The two-dimensional moving mechanism includes two sets of lateral displacement drive devices respectively located on the left and right walls of the operating cabin, longitudinal displacement drive devices located at the output ends of the lateral displacement drive device at both ends of the machine body, and a fixed frame for the multifunctional basket lifting mechanism. Connected to the output end of the longitudinal displacement drive device;

The multifunctional basket lifting mechanism includes a lifting shaft assembly, a shovel plate assembly and a lifting shaft lifting device. The shovel plate assembly includes an installation shell with openings at the front and rear ends respectively. The installation shell is provided with a shovel plate and a shovel plate that drives the shovel plate to move forward and backward. Displacement drive components;

The lifting shaft lifting device includes a fixed frame fixedly connected to the installation shell, and a lifting drive module with the body fixed on the fixed frame;

The lifting shaft assembly includes a lifting shaft with an open bottom end, a basket connecting piece located in the lifting shaft, and a lifting and lowering driving device of the basket connecting piece that drives the basket connecting piece to rise and fall vertically in the lifting shaft;

The output end of the lifting drive module is connected to the lifting shaft, and the bottom of the lifting shaft is provided with a plate frame inlet and outlet corresponding to the shovel plate.

The setting of the two-dimensional moving mechanism realizes the two-dimensional displacement drive of the multi-functional basket lifting mechanism. It is combined with the lifting drive module to form a three-dimensional displacement mechanism, which can drive the lifting shaft to move to a predetermined position above the refrigerated box, thereby improving the Carry out the extraction operation using the basket inside the refrigerated box. Compared with existing sample storage devices, its multifunctional basket lifting component has both basket lifting and plate rack extraction functions. It has higher integration, more flexible operation, and lower overall equipment cost.

Further, in the sample storage device of the present invention, one side of the operation cabin protrudes from the side wall of the refrigerator, and a feed port is provided on the bottom wall of the refrigerator box. The loading platform on the side is equipped with a transport guide rail and a transport trolley adapted to the transport guide rail. The surface of the transport trolley is equipped with a lifting plate, and below the lifting plate is a lifting plate that can The lifting fork is lifted to the feed inlet. There is also a lifting drive mechanism under the transport trolley that drives the lifting fork to rise and fall.

The settings of the transport trolley, lifting plate and other components realize the purpose of lifting the transfer tank to the feed port, so that the multi-functional basket lifting mechanism can operate the plate rack or sample tube in the transfer tank.

Furthermore, in the sample storage device of the present invention, the surface of the transport trolley is provided with a positioning groove, and the lifting plate is located in the positioning groove.

Further, in the sample storage device of the present invention, the lift drive device of the basket connector includes sprockets located at the upper and lower ends of the lifting shaft, a chain wound around the sprocket, and a sprocket drive motor that drives the sprocket to rotate. The basket is connected to the sample storage device of the present invention. The parts are connected to the chain through the connecting frame.

Furthermore, in the sample storage device of the present invention, the bottom end of the fixed frame is fixed to the top plate of the installation shell through its bottom plate and two L-shaped brackets, and the body of the lifting and moving module is fixed to the front panel of the fixed frame.

Furthermore, in the sample storage device of the present invention, the output end of the lifting and moving module is connected with a lever, and the bottom plate of the fixed frame is vertically provided with guide holes.

The above description is only an overview of the technical solutions of the present utility model. In order to understand the technical means of the present utility model more clearly and implement them specifically in accordance with the contents of the specification, the embodiments of the present utility model will be described in detail below.

Description of drawings

Figure 1 is the front view of the multifunctional basket lifting mechanism;

Figure 2 is a three-dimensional view of the multifunctional basket lifting mechanism;

Figure 3 is another perspective view of the multifunctional basket lifting mechanism;

Figure 4 is a rear view of the fixed frame;

Figure 5 is a perspective view of the straw assembly;

Figure 6 is an internal structural diagram of the lifting shaft assembly;

Figure 7 is another internal structural diagram of the lifting shaft assembly;

Figure 8 is a perspective view of the basket connector;

Figure 9 is a connection diagram of the basket connector and the plate frame;

Figure 10 is a front view of the shovel plate assembly;

Figure 11 is a side view of the shovel assembly;

Figure 12 is a cross-sectional view of the shovel plate assembly;

Figure 13 is an internal structural diagram of the shovel plate assembly;

Figure 14 is another internal structural diagram of the shovel plate assembly;

Figure 15 is a perspective view of the sample storage device;

Figure 16 is an internal structural diagram of the sample storage device;

Figure 17 is a component diagram of the multifunctional basket lifting mechanism and the two-dimensional moving mechanism.

Among them, the installation shell 1, the shovel plate 2, the fixed frame 3, the lifting drive module 4, the lifting shaft 5, the basket connector 6, the plate frame inlet and outlet 7, the sprocket 8, the chain 9, the sprocket drive motor 10, the connecting frame 11. L-shaped bracket 12, lever 13, guide hole 14, primary guide rail 15, basket 16, primary slide plate 17, secondary guide rail 18, secondary slide plate 19, primary drive motor 20, synchronous belt transmission device 21, Primary gear 22, mounting plate 23, primary rack 24, motor mounting bracket 25, secondary drive motor 26, secondary gear 27, straw assembly 28, straw 29, straw lifting mechanism 30, refrigerated box 31, operation cabin 32 , basket lifting mechanism 33, transverse displacement drive device 34, longitudinal displacement drive device 35, feed port 36, loading table 37, transport guide rail 38, transport trolley 39, jacking plate 40, lifting fork 41, lifting drive mechanism 42. Positioning groove 43, secondary rack 44, adjusting plate 45, first tensioning sprocket 46, second tensioning wheel 47, fixed plate 48, adjusting shaft 49, base plate 50, clamping jaw 51, clamping jaw connecting block 52, connecting pin 53, guide bar 54, drive plate 55, curved guide hole 56, turbine 57, worm 58.

Detailed ways

The specific implementation manner of the present utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not used to limit the scope of the present invention.

Example 1:

Referring to Figures 1 to 14, the multifunctional basket lifting mechanism of this embodiment includes a lifting shaft assembly, a shovel plate assembly and a lifting shaft lifting device. The shovel plate assembly includes an installation shell 1 with openings at the front and rear ends respectively. There is a The shovel plate 2 and the shovel plate displacement drive assembly that drives the shovel plate to move forward and backward;

The hoisting shaft lifting device includes a fixed frame 3 fixedly connected to the installation shell, and a lifting drive module 4 with the machine body fixed on the fixed frame;

The lifting shaft assembly includes a lifting shaft 5 with an open bottom end, a basket connecting piece 6 located in the lifting shaft, and a lifting and lowering driving device for the basket connecting piece that drives the basket connecting piece to rise and fall vertically in the lifting shaft;

The output end of the lifting drive module is connected to the lifting shaft, and the bottom of the lifting shaft is provided with a plate rack inlet and outlet 7 corresponding to the shovel plate.

In the multifunctional basket lifting mechanism of the present invention, the installation shell of the shovel plate assembly is equipped with a lifting drive module capable of driving the lifting shaft to rise and fall through a fixed frame. This enables the multifunctional basket lifting mechanism to not only lift the basket, but also At the same time, the lifted basket can extract the plate rack on it through the shovel mechanism, so that it has the functions of lifting the basket and extracting the rack.

Compared with the original lifting shaft assembly, it integrates the shovel plate assembly and the lifting shaft assembly into one, thus facilitating the installation and maintenance of the operator.

At the same time, this multi-functional basket lifting mechanism can also be connected to other displacement modules through the fixed frame, so that the lifting drive module and other displacement modules form a three-dimensional displacement mechanism, so that a single lifting shaft component can operate the basket in multiple areas respectively. , thereby reducing the number of lifting well components, reducing the overall cost of the equipment, and improving the flexibility of the lifting well components.

The lifting shaft assembly is used to operate the basket, and the basket connector provided therein can be connected to the basket. In this embodiment, the basket connector is a four-claw manipulator. For its specific structure, please refer to the publication number "CN112478760A" and the name "One Chinese patent for "clamping device for plate racks". In addition, the basket connector can also use connecting hooks, electromagnetic or negative pressure suction devices, etc. to achieve connection with the basket.

In this embodiment, the basket connector includes a base plate 50 and a plurality of clamping jaws 51. The top of the clamping jaws is connected to a clamping jaw connecting block 52. The clamping jaw connecting block is provided with a connecting pin 53. The surface of the base plate is provided with a clamping jaw connecting block. A guide bar 54 is slidably fitted and extends in the radial direction. A driving plate 55 is provided above the base plate. The central axis of the driving plate is rotatably connected to the base plate. The surface of the driving plate is provided with a curved guide hole 56 corresponding to the connecting pin. , the curved guide hole is a non-arc hole, and the top end of the connecting pin is arranged in the curved guide hole. A turbine 57 is provided at the end of the central axis of the drive plate, and the turbine rotates under the drive of the worm 58, thereby driving the drive plate to rotate, thereby driving the connecting pin to move along the curved guide hole. Since the curved guide hole is not a circular arc hole, the connecting pin moves along the guide bar below it under the action of the driving guide hole, thereby realizing the expansion and contraction of the clamping jaw.

During installation, a gantry is set above the driving plate and is fixedly connected to the base plate. The top plate of the gantry is fixedly connected to the L-shaped connecting frame. Both sides of the connecting frame are matched with the guide rails inside the lifting shaft through slide blocks. The surface of the connecting frame is connected. Through holes, the chain is provided with a connecting column mounting frame, a connecting column is provided on the connecting column mounting frame, and the end of the connecting column is located in the connecting hole. When lifting, the chain drives the connecting column installation frame and the connecting column to lift, and then drives the connecting frame and the basket connecting piece to lift.

The lifting drive device of the basket connector is used to drive the basket connector to lift vertically along the lifting shaft. It can be a rack-and-pinion lifting drive mechanism, a chain lifting device, a linear displacement device such as a cylinder, an oil cylinder or an electric cylinder.

In this embodiment, the lifting and lowering drive device of the basket connector is a sprocket chain lifting device, which includes sprockets 8 located at the upper and lower ends of the lifting shaft, a chain 9 wound around the sprocket, and a sprocket drive motor 10 that drives the sprocket to rotate. , the basket connecting piece is connected to the chain through the connecting frame 11. During operation, the output end of the sprocket drive motor drives the chain to rotate through the sprocket, thereby driving the connecting frame and the basket connecting piece connected to the chain to rise and fall.

Preferably, the lifting and lowering driving device of the basket connection member also includes a tensioning device, which includes an adjusting plate 45, a first tightening sprocket 46 in which the wheel body is meshed with the chain and the central axis is fixedly connected to the adjusting plate, and the wheel body is meshed with the chain. And the second tensioning wheel 47 with the central axis fixedly connected to the lifting shaft, the adjusting shaft 49 with one end fixedly connected to the adjusting plate and the other end threadedly connected to the fixed plate 48, the fixed plate is fixed on the surface of the lifting shaft.

The setting of the tensioning device facilitates the operator to adjust the tightness of the sprocket.

The adjusting plate is located on the outer side of the lifting shaft, and the main shaft of the first tensioning sprocket passes through the lifting shaft and is firmly connected to the adjusting plate. A guide hole can be provided on the surface of the adjusting plate, and a pin on the surface of the lifting shaft is located in the guide hole to realize the guiding function of the adjusting plate.

The adjusting shaft is threadedly connected to the fixed plate, and its end is firmly connected to the adjusting plate. When the chain tension needs to be adjusted, the operator drives the adjusting plate to move by turning the adjusting shaft, thereby driving the first tensioning sprocket to move. Since the first tensioning sprocket and the second tensioning sprocket are staggered, the chain is gradually tightened as the first tensioning sprocket moves.

The lifting drive module is used to drive the lifting shaft to lift, so that the bottom end of the lifting shaft can be lifted and lowered directly above the basket, so that the basket connector can be connected to the basket. It is a one-dimensional linear displacement driving device, preferably an electric cylinder.

The fixed frame is used to install the lifting drive module. It is also used to connect other displacement modules to form a three-dimensional displacement mechanism, which in turn drives the lifting shaft and shovel plate assembly to move to a predetermined area and operates the basket in this area.

In this embodiment, the fixed frame is a frame-type frame, and its bottom end is fixed on the top plate of the installation shell through its bottom plate and two L-shaped brackets 12. The body of the lifting and moving module is fixed on the front panel of the fixed frame, and its output The end is connected to the lever 13, and the bottom plate of the fixed frame is vertically provided with a guide hole 14 to facilitate the up and down movement of the lever. The end of the lever is connected to the lifting shaft to drive the lifting shaft to move vertically.

The shovel plate assembly is used to extract the plate frame on the basket, and is provided with a shovel plate and a shovel plate displacement driving assembly that drives the shovel plate to move. The shovel plate displacement drive assembly can drive the shovel plate to move along the primary guide rail 15 in the installation shell, so that the shovel plate can extend from the end of the installation shell and enter the lifting shaft through the plate frame inlet and outlet at the bottom of the lifting shaft, thereby extracting Lift the plate rack in the shaft.

During operation, the basket connector in the lifting shaft rises driven by the basket connector lifting drive device and drives the basket 16 to move to a predetermined position. Then, the shovel plate is driven by the shovel plate displacement driving assembly and extends from the end opening of the installation shell, and extends into the lifting shaft through the plate frame inlet and outlet. At this time, the shovel plate is located directly below the plate frame. Next, the basket is lowered slightly so that the rack rests on the surface of the shovel. Thereafter, the shovel plate can be driven by the shovel plate displacement drive assembly to transport the plate rack from the basket to the installation shell, and output it from the opening at the other end of the installation shell, so that subsequent operators or manipulators can operate the plate rack.

The shovel plate displacement drive assembly can be a rack and pinion displacement drive device, or an electric cylinder, air cylinder, oil cylinder and other displacement devices. In this implementation, the shovel plate displacement drive assembly is a secondary displacement drive mechanism. Specifically, the shovel plate driving assembly includes a first-level sliding plate 17 that can slide along the first-level guide rail in the installation shell, and a first-level linear displacement drive that is fixedly connected to the installation shell and can drive the first-level sliding plate to move forward and backward along the first-level guide rail in the installation shell. mechanism, a secondary sliding plate 19 that can slide along the secondary guide rail 18 on the surface of the primary sliding plate, and a secondary linear displacement drive mechanism that is fixedly connected to the primary sliding plate and can drive the secondary sliding plate to move forward and backward.

The first-level linear displacement drive mechanism includes a first-level drive motor 20 that is fixedly connected to the body and the top plate of the installation shell. The output shaft of the first-level drive motor is connected to a first-level gear 22 through a synchronous belt transmission device 21. The first-level gear is rotatably connected to the installation shell. On the mounting plate 23 above, the primary gear also meshes with the primary rack 24 on the primary slide, thereby driving the primary rack and primary slide to move along the primary guide rail on the installation shell.

Similarly, the secondary linear displacement drive mechanism includes a secondary drive motor 26 that is connected to the primary sliding plate through the motor mounting bracket 25. The output shaft of the secondary driving motor is connected to the secondary gear 27. The secondary gear is connected to the secondary sliding plate. The secondary rack 44 is engaged, thereby driving the secondary sliding plate to move along the secondary guide rail on the surface of the primary sliding plate. The above-mentioned shovel plate is connected to the front end of the secondary slide plate.

The setting of the secondary displacement drive mechanism not only increases the stroke of the shovel plate displacement drive assembly, but also reduces its overall length to facilitate its connection with components such as the lifting shaft.

Preferably, the holder is also provided with a suction tube assembly 28 for sucking the sample tube.

The suction tube assembly is configured to operate a single sample tube, thereby further improving the versatility of the multifunctional basket lifting mechanism.

The straw assembly includes a straw 29 and a straw lifting mechanism 30 that drives the straw up and down. The body of the straw lifting mechanism is fixed on the bottom plate of the fixed frame.

Example 2:

Referring to Figures 15 to 17, this embodiment discloses a sample storage device, which includes a refrigerated box 31. An operating cabin 32 is provided above the refrigerated box. The operating cabin is provided with a multi-functional basket lifting mechanism 33 and a driving multi-functional basket lifting mechanism. A two-dimensional moving mechanism that moves horizontally;

The two-dimensional moving mechanism includes two sets of lateral displacement drive devices 34 respectively located on the left and right walls of the operating cabin, longitudinal displacement drive devices 35 respectively located at the output ends of the lateral displacement drive device at both ends of the machine body, and a multi-functional basket lifting mechanism. The fixed frame is connected to the output end of the longitudinal displacement drive device;

The multifunctional basket lifting mechanism includes

The setting of the two-dimensional moving mechanism realizes the two-dimensional displacement drive of the multi-functional basket lifting mechanism. It is combined with the lifting drive module to form a three-dimensional displacement mechanism, which can drive the lifting shaft to move to a predetermined position above the refrigerated box, thereby improving the Carry out the extraction operation using the basket inside the refrigerated box. Compared with existing sample storage devices, its multifunctional basket lifting component has both basket lifting and plate rack extraction functions. It has higher integration, more flexible operation, and lower overall equipment cost.

Among them, the transverse displacement drive device and the longitudinal displacement drive device are both one-dimensional displacement drive mechanisms, preferably electric cylinders.

Preferably, in the sample storage device of this embodiment, one side of the operating cabin protrudes from the side wall of the refrigerator, and a feed port 36 is provided on the bottom wall of the operating cabin. There is a feed port 36 located below the feed port on one side of the refrigerator. The loading platform 37 is provided with a transport guide rail 38 and a transport trolley 39 adapted to the transport guide rail. The surface of the transport trolley is provided with a lifting plate 40, and there is a lifting plate 40 below the lifting plate. The lifting plate is lifted up to the lifting fork 41 at the feed port, and a lifting drive mechanism 42 is provided below the transport trolley to drive the lifting fork to lift.

The settings of the transport trolley, lifting plate and other components realize the purpose of lifting the transfer tank to the feed port, so that the multi-functional basket lifting mechanism can operate the plate rack or sample tube in the transfer tank.

Among them, the lifting fork and the lifting drive mechanism are used to drive the lifting plate to lift, and then drive the transfer tank on the surface of the lifting plate to lift.

The lifting fork includes a U fork. The tops of the two fork arms of the U fork pass through the perforations on the surface of the loading table and are in contact with the lifting plate. The fork body of the U fork is connected to the output end of the lifting drive mechanism.

The lifting drive mechanism can be a motor screw type linear drive device fixed on the loading table.

Preferably, in the sample storage device of this embodiment, the surface of the transport trolley is provided with a positioning groove 43, and the lifting plate is located in the positioning groove.

The above are only preferred embodiments of the present utility model, which are used to assist those skilled in the art to implement corresponding technical solutions, and are not used to limit the protection scope of the present utility model. The protection scope of the present utility model is defined by the appended claims. It should be pointed out that those of ordinary skill in the art can make several equivalent improvements and modifications based on the technical solution of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model. At the same time, it should be understood that although this specification is described according to the above-mentioned embodiments, not each embodiment only contains an independent technical solution. This description method of the specification is only for the sake of clarity, and those skilled in the art should regard the description as a Overall, the technical solutions of each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (15)

1. A multifunctional basket lifting mechanism, including a lifting shaft assembly, a shovel plate assembly and a lifting shaft lifting device, characterized in that: the shovel plate assembly includes an installation shell with openings at the front and rear ends respectively, and a shovel plate and a drive are provided in the installation shell The shovel plate displacement drive assembly moves the shovel plate forward and backward; The lifting shaft lifting device includes a fixed frame fixedly connected to the installation shell, and a lifting drive module with the body fixed on the fixed frame; The lifting shaft assembly includes a lifting shaft with an open bottom end, a basket connecting piece located in the lifting shaft, and a lifting and lowering driving device of the basket connecting piece that drives the basket connecting piece to rise and fall vertically in the lifting shaft; The output end of the lifting drive module is connected to the lifting shaft, and the bottom of the lifting shaft is provided with a plate frame inlet and outlet corresponding to the shovel plate. 2. The multifunctional basket lifting mechanism according to claim 1, characterized in that: the lifting and lowering driving device of the basket connector includes sprockets provided at the upper and lower ends of the lifting shaft, a chain wound around the sprockets, and a driving sprocket to rotate. The sprocket drives the motor, and the basket connecting piece is connected to the chain through the connecting frame. 3. The multi-functional basket lifting mechanism according to claim 2, characterized in that: the lifting and lowering driving device of the basket connector further includes a tensioning device, the tensioning device includes an adjusting plate, the wheel body is engaged with the chain, and the central axis is fixed to the adjusting plate. The connected first tensioning sprocket, the wheel body meshes with the chain and the second tensioning wheel with the central axis fixedly connected to the lifting shaft, and the adjusting shaft with one end fixedly connected to the adjusting plate and the other end threadedly connected to the fixed plate. The plate is fixed on the surface of the lifting shaft. 4. The multifunctional basket lifting mechanism according to claim 1, characterized in that: the bottom end of the fixed frame is fixed on the top plate of the installation shell through its bottom plate and two L-shaped brackets, and the body of the lifting and moving module is fixed on the fixed frame. on the front panel of the rack. 5. The multifunctional basket lifting mechanism according to claim 1, characterized in that: the output end of the lifting and moving module is connected to a lever, and the bottom plate of the fixed frame is vertically provided with guide holes. 6. The multifunctional basket lifting mechanism according to claim 1, characterized in that: the shovel plate driving assembly includes a first-level slide plate that can slide along the first-level guide rail in the installation shell. The body is fixedly connected to the installation shell and can drive a first-level slide plate. A primary linear displacement drive mechanism for the first-level sliding plate to move forward and backward along the primary guide rail in the installation shell, a secondary sliding plate that can slide along the secondary guide rail on the surface of the primary sliding plate, the body is fixedly connected to the primary sliding plate and can drive the second-level sliding plate to move forward and backward. Secondary linear displacement drive mechanism. 7. The multifunctional basket lifting mechanism according to claim 6, characterized in that: the first-level linear displacement driving mechanism includes a first-level drive motor that is fixedly connected to the body and the top plate of the mounting shell, and the output shaft of the first-level drive motor is synchronized through The belt transmission device is connected to the first-level gear, which is rotatably connected to the mounting plate on the mounting shell. The first-level gear is also meshed with the first-level rack on the first-level sliding plate. 8. The multifunctional basket lifting mechanism according to claim 6, characterized in that: the secondary linear displacement drive mechanism includes a secondary drive motor whose body is fixedly connected to the primary slide plate through a motor mounting bracket, and the secondary drive motor The output shaft is connected to the secondary gear, the secondary gear is meshed with the secondary rack on the secondary sliding plate, and the shovel plate is connected to the front end of the secondary sliding plate. 9. The multifunctional basket lifting mechanism according to claim 1, wherein the fixed frame is further provided with a suction tube assembly for sucking the sample tube. 10. A sample storage device, including a refrigerated box, and an operating cabin is provided above the refrigerated box, characterized in that: the operating cabin is provided with a multi-functional basket lifting mechanism and a two-dimensional moving mechanism that drives the multi-functional basket lifting mechanism to move horizontally; The two-dimensional moving mechanism includes two sets of lateral displacement drive devices respectively located on the left and right walls of the operating cabin, longitudinal displacement drive devices located at the output ends of the lateral displacement drive device at both ends of the machine body, and a fixed frame for the multifunctional basket lifting mechanism. Connected to the output end of the longitudinal displacement drive device; The multifunctional basket lifting mechanism includes a lifting shaft assembly, a shovel plate assembly and a lifting shaft lifting device. The shovel plate assembly includes an installation shell with openings at the front and rear ends respectively. The installation shell is provided with a shovel plate and a shovel plate that drives the shovel plate to move forward and backward. Displacement drive components; The lifting shaft lifting device includes a fixed frame fixedly connected to the installation shell, and a lifting drive module with the body fixed on the fixed frame; The lifting shaft assembly includes a lifting shaft with an open bottom end, a basket connecting piece located in the lifting shaft, and a lifting and lowering driving device of the basket connecting piece that drives the basket connecting piece to rise and fall vertically in the lifting shaft; The output end of the lifting drive module is connected to the lifting shaft, and the bottom of the lifting shaft is provided with a plate frame inlet and outlet corresponding to the shovel plate. 11. The sample storage device according to claim 10, characterized in that: one side of the operation cabin protrudes from the side wall of the refrigerator, and a feed port is provided on the bottom wall, and a feed port is provided below the feed port. There is a loading platform located on one side of the refrigerated box. The loading platform is equipped with a transport guide rail and a transport trolley adapted to the transport guide rail. The surface of the transport trolley is equipped with a lifting plate, and there is a lifting plate below the lifting plate. There is a lifting fork that can lift the lifting plate to the feed port. There is also a lifting drive mechanism under the transport trolley that drives the lifting fork to lift. 12. The sample storage device according to claim 11, characterized in that: the surface of the transport trolley is provided with a positioning groove, and the lifting plate is located in the positioning groove. 13. The sample storage device according to claim 10, characterized in that: the lifting and lowering driving device of the basket connector includes sprockets provided at the upper and lower ends of the lifting shaft, a chain wound around the sprocket, and a chain that drives the sprocket to rotate. The wheel drive motor, the basket connecting piece is connected to the chain through the connecting frame. 14. The sample storage device according to claim 10, characterized in that: the bottom end of the fixed frame is fixed to the top plate of the installation shell through its bottom plate and two L-shaped brackets, and the body of the lifting and moving module is fixed to the top of the fixed frame. on the front panel. 15. The sample storage device according to claim 10, characterized in that: the output end of the lifting and moving module is connected with a lever, and the bottom plate of the fixed frame is vertically provided with guide holes.